Home / 1,665,718.40-2,298,688.52-901,771.76

Finding the Fourth Proportional to 1,665,718.40, 2,298,688.52 and 901,771.76

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Solution

The fourth proportional to 1,665,718.40, 2,298,688.52 and 901,771.76 is: 1,244,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,718.40 : 2,298,688.52 = 901,771.76 : x
  2. Step 2: Convert to fraction form
    1,665,718.40/2,298,688.52 = 901,771.76/x
  3. Step 3: Cross multiply
    1,665,718.40x = 2,298,688.52 × 901,771.76
  4. Step 4: Simplify right side
    1,665,718.40x = 2,072,892,392,372.20
  5. Step 5: Solve for x
    x = 2,072,892,392,372.20/1,665,718.40
  6. Step 6: Final answer
    x = 1,244,443.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.